Wind power installation and method of operating it

Details Wind power installation and method of operating it Wind power installation and method of operating it

2011-07-19

2011-07-19

Patel, T C (Department: 2839)

Prime-mover dynamo plants

Electric control

Fluid-current motors

C290S043000, C290S055000

Reexamination Certificate

active

07982325

ABSTRACT:
The purpose of the invention is to reduce the contribution of wind power installations to frequency errors on the grid, and preferably to contribute to the elimination of such errors. Thus, the method involves the use of PID control and/or control with hysteresis so as to regulate the active power injected into the grid, in view of the deviation between a measured grid frequency and the nominal grid frequency.

REFERENCES:
patent: 5247234 (1993-09-01), Bitzer et al.
patent: 6219623 (2001-04-01), Wills
patent: 6891281 (2005-05-01), Wobben
patent: 7239036 (2007-07-01), D'Atre et al.
patent: 7312537 (2007-12-01), Walling et al.
patent: 7345373 (2008-03-01), Delmerico et al.
patent: 7397143 (2008-07-01), Walling

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